@article{PismaZhETF.60.340,
    title = {Superconductivity and phase separation in $La_2CuO_{4+x}$},
    author = {Zakharov, A. A. and Nikonov, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {60},
    issue = {5},
    pages = {340},
    year = {1994},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20351.shtml},
}